Zusammenfassung
In den vergangenen Jahren sind auf dem Gebiet der
Ultraschalldiagnostik durchgreifende Verbesserungen eingetreten. Die vorliegende
Arbeit soll die
seit kurzem verfügbaren neuesten sonographischen Techniken wie das Panoramabildverfahren
(SieScape® und Color-SieScape®), den 3-D-Power-Doppler sowie die Harmonic-Imaging-Techniken
(Tissue Harmonic Imaging, Second Harmonic Imaging, Phaseninversionssonographie)
und die
Kontrastmittelsonographie beschreiben und die Einsatzmöglichkeiten und Indikationsbereiche
kritisch beleuchten.
New technologies in ultrasonography: Is there a clinical benefit? Panoramic view,
harmonic imaging technologies and contrast medium
Important improvements and technical
developments in ultrasonography during the last years have been made.
The aim of this article
is to describe the new techniques in ultrasonography, such as SieScape®, Color-SieScape®,
3-D-power-Doppler, tissue harmonic imaging, second harmonic imaging, phase inversion
ultrasonography and contrast media to demonstrate their clinical implications.
Schlüsselwörter
SieScape - 3-D-Power-Doppler - Tissue
Harmonic Imaging - Phaseninversion - Kontrastmittel - Levovist
Key words
SieScape® - 3-D-power-Doppler - Tissue
Harmonic Imaging - Phase Inversion - Contrast
Media - Levovist
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1 Die Sendeenergie wird als „Mechanischer Index” (MI)
angegeben. Der MI ist definiert alsMI = höchster negativer akustischer Schalldruck
(MPa) x (0,3 dB/cm x MHz)*Wurzel aus Sendefrequenz (MHz) [31, 37, 38]* (0,3 dB/cm
x MHz)
= Schwächungsfaktor im Gewebe
Anschrift für die Verfasser
Dr. med. Alexandra von Herbay
Heinrich-Heine-Universität Düsseldorf Medizinische
Klinik Klinik für Gastroenterologie, Hepatologie und Infektiologie
Moorenstraße 5
40225 Düsseldorf
Phone: 02 11/8 11 87 13
Fax: 02 11/8 11 87 52
Email: Alexandra.vonHerbay@uni-duesseldorf.de